ACC News Brief

Clean Energy Global

Clean-energy manufacturing investment is broadening beyond China

Workers assemble batteries, solar modules, wind components, and heat pumps in a modern clean-technology factory.
Image credit: Affect Climate Change Inc. custom editorial artwork; evidence source: International Energy Agency

What happened

IEA analysis says investment in factories for key energy technologies eased from nearly $220 billion in 2023 to an estimated level below $200 billion in 2025 as capacity expanded faster than current demand. China still accounted for about 70% of cumulative spending since 2020, while 2024 investment nearly doubled in the European Union, rose 25% in Korea, and increased more than 65% in India.

Why it matters

A wider manufacturing base can reduce supply-chain concentration while supporting regional jobs and faster clean-energy deployment. The cooling investment cycle also warns governments to align incentives with durable demand, trade partnerships, workforce capacity, and the infrastructure needed to install what factories produce.

What to watch

  • Whether new regional factories reach sustained production rather than adding unused capacity.
  • How trade rules and industrial policy affect costs, resilience, and access to clean technologies.
  • Whether grid, charging, building, and project pipelines grow fast enough to absorb manufacturing output.

Sources & evidence

Topics

  • Clean Technology
  • Manufacturing
  • Supply Chains
  • Industrial Policy
  • Energy Transition